Home / 52,479.36-72,420.08-28,606.50

Finding the Fourth Proportional to 52,479.36, 72,420.08 and 28,606.50

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Solution

The fourth proportional to 52,479.36, 72,420.08 and 28,606.50 is: 39,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.36 : 72,420.08 = 28,606.50 : x
  2. Step 2: Convert to fraction form
    52,479.36/72,420.08 = 28,606.50/x
  3. Step 3: Cross multiply
    52,479.36x = 72,420.08 × 28,606.50
  4. Step 4: Simplify right side
    52,479.36x = 2,071,684,875.49
  5. Step 5: Solve for x
    x = 2,071,684,875.49/52,479.36
  6. Step 6: Final answer
    x = 39,476.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.